Iranian hermit Amou Haji ate carrion, drank from puddles, lived in a hole, smoked dung, and died at 94, a few months after bathing for the first time in 60 years. He said he became a hermit due to “emotional setbacks” after a heartbreak. English merchant Nathaniel Bentley became known as Dirty Dick when he stopped washing in his late 30s. His filthy shop became a tourist attraction. Interestingly, he too was said to have changed after a ruined love affair, allegedly after his fiancée died on the eve of their wedding. Charles Dickens knew of the story, which may...